From what I can think of
--Jurassics--
Spinosaurus and other creatures with its animation: Elephant
Stegosarus and other creatures with its animation: Elephant
--Aquatics--
Shonisaurus and other icthyosaurs: Dolphin
Basilosaurus and other cetaceans: Whale
Megalodon and other creatures with its animation: Lawnmower
--Glaciers--
Woolly mammoth and other elephants: Elephant
Smilodon and other creatures with its animation: Tiger
Sarkastodon and other creatures with its animation: Bear and elephant
Megaloceros and other creatures with its animation: Seal and panda
Eremotherium and Chalicotherium: Bear
Andrewsarchus and other creatures with its animation: Wolf
Can anyone else think of the sounds that were used for them?